------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 2534 2009 Mar 21 12.11UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK Backup: gmh@wdcc1.bnsc.rl.ac.uk WORLD WIDE WEB http://www.theastronomer.org ------------------------------------------------------------------- COMET C/2009 E1 (ITAGAKI) Brian Marsden, Minor Planet Center, reports on MPEC 2009-F50 improved orbital elements for this comet (cf TA E-Circular 2532) and resulting ephemeris which replaces that on the previous e-circular and Early Warning Circular 192: T 2009 Apr. 7.923 TT MPC q 0.59971 (2000.0) P Q z +0.02503 Peri. 48.961 +0.260402 +0.591223 Node 105.960 +0.456675 -0.771982 e 0.98499 Incl. 127.447 +0.850669 +0.233450 From 151 observations 2009 Mar. 14-20. Ephemeris: Date TT R. A. (2000) Decl. Delta r Elong. m1 m2 2009 03 20 02 34.44 +14 47.4 1.048 0.726 41.5 10.2 2009 03 25 02 22.43 +19 15.5 1.151 0.672 35.6 10.1 2009 03 30 02 10.14 +22 45.6 1.249 0.631 30.0 10.0 2009 04 04 01 57.40 +25 26.8 1.336 0.606 25.2 10.0 2009 04 09 01 44.35 +27 25.6 1.407 0.600 21.5 10.0 2009 04 14 01 31.35 +28 49.0 1.461 0.614 19.5 10.2 2009 04 19 01 18.79 +29 44.3 1.495 0.647 19.8 10.5 2009 04 24 01 06.88 +30 19.4 1.511 0.694 22.3 10.8 2009 04 29 00 55.62 +30 40.5 1.510 0.752 26.2 11.2 Martin Mobberley has submitted an image of the comet secured on March 20.823UT with a 0.35-m Celestron 14 @f7.7 comprising 12x60sec exposures. He comments that it is a very noisy shot taken at low altitude in a very hazy sky with not much sign of the thin ion tail recorded two nights ago. SUPERNOVA 2009ac IN SDSS J020829.87+124400.0 Discovery by Catalina Sky Survey team of a possible supernova (CBET 1693): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009ac Feb. 5.13 02 08 30.11 +12 44 18.5 17.4 3.5"E,18.2"N SUPERNOVA 2009ad IN UGC 3236 Discovery by Jack Newton and Tim Puckett (USA) of a possible supernova (CBET 1694): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009ad Feb 13.15 05 03 33.38 +06 39 35.7 16.7 2.7"E, 9.4"N Discovery image from Portal (Newton) using a 0.40-m reflector SUPERNOVA 2009ae IN MCG +04-39-17 Discovery by Tim Puckett, M Peoples, Jack Newton (USA) of a possible supernova (CBET 1696): SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009ae Feb 15.53 16 39 28.87 +21 18 55.6 16.5 27.4"W, 5.4"S COMETS 213P/VAN NESS, 214P/LINEAR, AND 215P/NEAT Comet P/2009 B3 = P/2005 R2 has been assigned the permanent designation 213P. Comet P/2009 B4 = P/2002 CW_134 has been assigned the permanent designation 214P. Comet P/2009 B5 = P/2002 O8 has been assigned the permanent designation 215P according to Dan Green on IAUC 9020. Guy M Hurst